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Aliun [14]
4 years ago
13

Ryan counted 63 Birds in his backyard last week this week he counted 71 Birds in his backyard about how many birds did Ryan coun

t
Mathematics
2 answers:
Airida [17]4 years ago
5 0
Ryan counted 134 birds
In-s [12.5K]4 years ago
5 0
Ryan counted 134 birds
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Decrease 100 by 35%. Help me qt
damaskus [11]

Answer:

65

Step-by-step explanation:

35% of 100 is 35.

100-35=65

5 0
4 years ago
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What is the value of xx) = 9^x when x= -2?<br><br>A. 1/81<br><br>B. 81<br><br>C. 1/81<br><br>D. 18​
Paraphin [41]

Answer:

C. 9^{-2} = \frac{1}{81}

Step-by-step explanation:

Given

9^{x}

Required

Find the expression where x - 2

9^{x}

Substitute 2 for x

9^{-2}

From law of indices which states

a^{-b} = \frac{1}{a^b}

So, the expression becomes

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Expand the denominator

9^{-2} = \frac{1}{9 * 9}

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Hence, 9^{x} is \frac{1}{81} when x = 2

5 0
3 years ago
How to convert 8.5% to a fraction
Oliga [24]
Well, to start off you divide 8.5 by 100, this gives you 0.085.

This, when multiplied by 1000 to make it a whole number equals \frac{85}{1000}

When simplified this will equal \frac{17}{200}
8 0
3 years ago
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Which graph represents the following system of inequalities? y ≥ 2x - 5 y &lt; -3x​
ICE Princess25 [194]

Answer:

First of all look at the graphs that have been plotted then at your equation that is given. You see the x and ys there and find the answer

5 0
4 years ago
Trigonometry<br> Trigonometric Functions<br> Given: Sin θ = (5/6), Find: Cot θ
nikklg [1K]

Answer:

cotθ = \sqrt{11} / 5

Step-by-step explanation:

sine = opposite / hypotenuse

cotangent = adjacent / opposite

So first we have to solve for the adjacent side b, using pythagorean theorem

a^{2} +b^{2} =c^{2}

5^{2} +b^{2} =6^{2}

25 + b^{2} = 36

b^{2} = 11

b = \sqrt{11}

cotangent = adjacent / opposite

cotθ = \sqrt{11} / 5

6 0
4 years ago
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